—Mr. Green, can you spare me a few minutes? I still have some questions about your assignment.
—________.
| A.It's a pleasure | B.Not at all |
| C.Help yourself | D.Sure, go ahead |
Paper making began in China and from there it _____ to North Africa and Europe.
| A.took | B.spilled | C.carried | D.spread |
When the entire class worked together they finished the project _____.
| A.in no way | B.in no time | C.on no account | D.in no case |
Having checked the doors were closed, and _____all the lights were off, the boy opened the door to his bedroom.
| A.why | B.that | C.when | D.where |
To save class time, our teacher has ______students do half of the exercises in class and complete the other half for homework.
| A.us | B.we | C.our | D.ours |
The _____ of his clothes indicated too clearly that he had been playing football.
| A.state | B.condition | C.occasion | D.situation |